tuesday morning, we talk with philip wallach, senior fellow at the american enterprise institute about trump's joint address to congress and the current balance of power between the executive and legislative branches. then former irs commissioner discuss his concerns about how layoffs at the internal revenue service could affect tax election -- collection. join the conversation live at 7:00 eastern tuesday morning on c-span, c-span now, or c-span.org. >> here is a look at what is coming up tuesday on t c-span networks. on c-span at 10:00 a.m. eastern, the u.s. house will be back in session. lawmakers will work to repeal seral measures relatedo environmental rules. on c-span 2 senators will work to repeal biden erpolicies related to the financial sector. on c-span 3, matthew whitaker, nominee to serve as ambassador to nato, testifies at hi confirmation hearing. on tuesday evening, watch live coverage of trump'to congress, the first drs of his second term in less than twmohs since taking office. our coverage begs at:0p.m. eastern with a preview of the evening from capitol hill, llowed by